Publicspending.gr: interconnecting & visualizing

Greek public expenditure following Linked Open Data

directives

M. Vafopoulos, M. Meimaris, A. Papantoniou, I. Anagnostopoulos,

G. Alexiou, I. Avraam, I. Xidias, G. Vafeiadis and V. Loumos

National Technical University of AthensUSING OPEN DATA: policy modeling, citizen empowerment, data journalism, Brussels,

19,20/6/12

Outline

① why Linked Open Data (LOD)② LOD in Greece③ issues ④ WHERE MY MONEY GOES App⑤ local spending in EU demo ⑥ to the future

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Why LODomore & better information o objective and processable

information for economic/political “dialogue”

• to promote competition• to decrease cost • to judge the efficiency of policy

mixtures• to enable participation

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LOD in Greece: current status

• in its infancy – NO Apps yet• 2-3 stars• Open not Linked• very limited public awareness

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LOD in Greece: why it is important

• quality of information during economic crisis

• transparency & efficiency in funding development

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Issues

ohow can we initiate the virtuous cycle of creation?

demonstrate LOD’s added value

ohow to get the most out of data?local & global interconnections

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In few words,

Apps, Apps, Apps…..

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WHERE MY MONEY GOES in Greece publicspending.gr

• the first LOD App in Greece• daily updates• open spending linked data,

endpoint & visualizations

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WHERE MY MONEY GOES in Greece publicspending.gr

• Input 1.“Diavgeia” (all public spending decisions online daily)

API, average data quality, rich information• Payer, payee (amount, VAT number, name)• CPA 2008: Classification of products by Activity• CPV 2008: Common Procurement Vocabulary• Original decision text in pdf

2. TAXIS (official Tax Information System)VAT number validation and profile request

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Checklist ① Ontology – enriching with core vocub. ② Basic visualizations ③ SPARQL endpoint - thedatahub④ Interconnections– Product classifications – Open Corporates– Greek LOD (e-proc, geodata, dbpedia)– EU and US (CPV -> NAICS)

⑤ Demos & services⑥ Public awareness - working with the media ,

hackathons, courses, theses 10

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Public organizations with the highest expenditure

2010-12

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Evolution of public expenditure in Greece (2010-12)

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profiles for public organizations and awardees (under development)

WHERE MY MONEY GOESlocal spending in EU level

demo

① Litchfield district–NUTS LAU1 region–population ≈100k

② Find places with similar characteristics in Greece

(Dbpedia)

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Dbpedia query http://dbpedia.org/sparql

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select * where{ ?mun dbpprop:popMunicipality ?a .FILTER(?a>90000 && ?a <120000)}

Comparative statistics

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public spending

SPARQL Query about Kalithea in publicspending.gr and in the Litchfield endpoint

• not compatible product/service classifications (ontology alignment needed)

• Litchfield decisions: >500 £• Kalithea decisions: no limitations

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public spending: results

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public spending: comparisons

• Litchfield repair expenses = 0.44%

• Kalithea repair expenses = 0.54%

• Can you think of others?

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WHERE MY MONEY GOESinterlinking business in global scale

• building a Greek business repository (ongoing)

• examining global interconnections (e.g. Open

Corporates, CPA->NAICS)

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Open Corporates <---> publicspending.gr

OC--->PSInformation about international businesses involved in Greek spending (e.g. Vodafone, Siemens)

OC<---PSInformation about Greek companies

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some last thoughts

ofirst App on the Greek LODo try to initiate the virtuous cycle

of creationoco-operations &

interconnections are in the top of our agenda

oget people to be involved

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?

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appendix

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publicspending.gr architecture

Ontology

obuild on the approach of the UK payment ontology and Core Bus. Voc.

oCPV, CPAoWESO PSC ontology, OC, data

cube, Organization ontology, …

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publicspending.gr ontology